SJ 20450-1994 封装电子元件用化合物.涂料及瓷料规范
SJ 20450-1994.Specification of compound ,coating and porcelain for potting elect...
行业标准2023.07.24
SJ 20450-1994.Specification of compound ,coating and porcelain for potting elect...
行业标准2023.07.24
SJ 20449-1994.Specifiation of potting compound and porcelain for power type cera...
行业标准2023.07.24
SJ 20448-1994.Specification for anti-reflection coatings of glass optical elemen...
行业标准2023.07.24
SJ 20420-1994.General specification for ground height finding radar.1范围1.1主题内容SJ...
行业标准2023.07.24
SJ 20419-1994.Tectical peformance test methods for ground director radar.1范围1.1主...
行业标准2023.07.24
SJ 20418-1994.General specification for ground director radar.1范围1.1主题内容SJ 20418...
行业标准2023.07.24
SJ 20417-1994.General sspecification for ground fire control radar.1范围1.1 主题内容SJ...
行业标准2023.07.24
SJ 20416-1994.General specification for active antenna systems used in short wav...
行业标准2023.07.24
SJ 20425-1994.General specifcation for fire control radar system of self-propell...
行业标准2023.07.24
SJ 20424-1994.Methods for sea trials of submarine radar.1范围1.1主题内容SJ 20424规定了潜艇雷...
行业标准2023.07.24